/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
/*
* Copyright (c) 2006 INRIA
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation;
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Author: Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
*/
#ifndef ARP_L3_PROTOCOL_H
#define ARP_L3_PROTOCOL_H
#include <list>
#include "ns3/ipv4-address.h"
#include "ns3/address.h"
#include "ns3/ptr.h"
namespace ns3 {
class ArpCache;
class NetDevice;
class Node;
class Packet;
class TraceContext;
/**
* \brief An implementation of the ARP protocol
*/
class ArpL3Protocol : public Object
{
public:
static TypeId GetTypeId (void);
static const uint16_t PROT_NUMBER;
/**
* \brief Constructor
* \param node The node which this ARP object is associated with
*/
ArpL3Protocol ();
virtual ~ArpL3Protocol ();
void SetNode (Ptr<Node> node);
/**
* \brief Recieve a packet
*/
void Receive(Ptr<NetDevice> device, Ptr<Packet> p, uint16_t protocol, const Address &from);
/**
* \brief Perform an ARP lookup
* \param p
* \param destination
* \param device
* \param hardwareDestination
* \return
*/
bool Lookup (Ptr<Packet> p, Ipv4Address destination,
Ptr<NetDevice> device,
Address *hardwareDestination);
protected:
virtual void DoDispose (void);
private:
typedef std::list<ArpCache *> CacheList;
ArpCache *FindCache (Ptr<NetDevice> device);
void SendArpRequest (ArpCache const *cache, Ipv4Address to);
void SendArpReply (ArpCache const *cache, Ipv4Address toIp, Address toMac);
CacheList m_cacheList;
Ptr<Node> m_node;
};
}//namespace ns3
#endif /* ARP_L3_PROTOCOL_H */